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communication theory
communication theory see information theory .
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code
code in communications, set of symbols and rules for their manipulation by which the symbols can be made to carry information. By this extended definition all written and spoken languages are codes. While these are sufficient and actually quite efficient in transmission of information, they are at ...
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Freedom of Information Act
Freedom of Information Act (1966), law requiring that U.S. government agencies release their records to the public on request, unless the information sought falls into a category specifically exempted, such as national security, an individual's right to privacy , or internal agency management. The...
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information storage and retrieval
information storage and retrieval the systematic process of collecting and cataloging data so that they can be located and displayed on request. Computers and data processing techniques have made possible the high-speed, selective retrieval of large amounts of information for government, commerci...
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weather balloon
weather balloon balloon used in the measurement and evaluation of mostly upper atmospheric conditions (see atmosphere ). Information may be gathered during the vertical ascent of the balloon through the atmosphere or during its motions once it has reached a predetermined maximum altitude. Today,...
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indictment
indictment , in criminal law , formal written accusation naming specific persons and crimes. Persons suspected of crime may be rendered liable to trial by indictment, by presentment, or by information. An indictment is issued by a grand jury when the jury's investigation is initiated by the publi...
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Interpol
Interpol acronym for the International Criminal Police Organization, a worldwide clearinghouse for police information. Conceived in 1914, Interpol was formally established in 1923 with headquarters at Vienna. In 1938, it was effectively disbanded by Hitler's Anschluss of Austria. After World War ...
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informed consent
informed consent in medicine, a patient's written consent to a surgical or medical procedure or other course of treatment, given after the physician has told the patient all of the potential benefits, risks, and alternatives involved. Informed consent is also required for participation in clinical ...
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Karl Baedeker
Karl Baedeker , 1801-59, German publisher, founder of the Baedeker guidebooks. His printing establishment was at Koblenz, but his son Fritz, who continued the business, moved it to Leipzig. Printed in several languages, the guidebooks provided valuable historical information and ran into many editio...
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videotex
videotex communications service that is linked to an adapted television receiver or a personal computer by telephone lines, cable television facilities, or the like, and that allows a user to retrieve and display alphanumeric and pictorial information at home. Traditional videotex systems a...
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